A few resources that might interest you today about salicylic acid and acne
I found a few resources that might interest you if you're interested in learning more about formulating with salicylic acid in your products, something I'll be discussing as we get back to making toners in the Newbie Tuesday series on facial products, which starts again on Monday, January 16th.
What you see here is willow bark, not salicylic acid, but I don't have any of the latter at home and I really wanted a picture to go with this post!
Formulating for acne for pharmacists - This is a really interesting document if you're interested in learning more about using salicylic acid and other powerful ingredients for acne. I will warn you that the formulae aren't by weight, but I trust that pharmacists won't steer us wrong, and they're using ingredients at much higher levels than we do at home. But it's an interesting read for learning more about how to formulate for acne prone skin.
As an aside, I had terrible acne as a teenager, and the only thing that worked for me was a prescribed sulphur product that I had to mix together myself. I think that's on this sheet!
Solublity of salicylic acid in organic solvents - This is a great article if you want to learn about all the possiblities for dissolving salicylic acid. For instance, it dissolves at 1.592 M in propylene glycol or 2.087 M in ethanol.
Salicylic acid has a molecular weight of 138.122 g/mol, meaning that 219 grams of salicylic acid will dissolve in 1 litre of propylene glycol or 21.9 grams will dis...
Fuente de la noticia:
Point of Interest
URL de la Fuente:
http://swiftcraftymonkey.blogspot.com
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